Bella (Kristen Stewart)'s 18th birthday is approaching and her father gives her a gift. Edward (Robert Pattinson) generously expresses his love and tells her the legend of the Italian vampire royal family. Edward's red-haired sister Alice (Ashley Greene) specially holds a birthday party for Bella. During this time, Bella accidentally cuts her arm and is attacked by Jasper. She relies on Edward's protection to escape. However, since then, Edward gradually distanced himself from Bella and proposed to break up. This made Bella feel cold, but Edward also had his reasons and was still secretly protecting Bella. Bella is in a vacant period, and her old friend Jacob (Taylor Lautner) is asking about her well-being, and the relationship between the two has warmed up. After that, Bella was rescued by jumping off a cliff and learned that Jacob was a werewolf who specialized in dealing with vampires. At the same time, the unsuspecting Edward thought Bella had committed suicide and was disheartened. He came to Italy to ask the royal family to end his life... This film is based on the American female writer Stephanie May...